<template>
    <div class="city_container">
      <head-top :head-title="cityname" go-back="true">
        <router-link to="/home" slot="changecity" class="change_city">切换城市</router-link>
      </head-top>
      <form class="city_form" v-on:submit.prevent>
        <div>
          <input type="search" name="city" placeholder="输入学校、商务楼、地址" class="city_input input_style" required v-model="inputValue" />
        </div>
        <div>
          <input type="submit" name="submit" class="city_submit input_style" @click="postpois" />
        </div>
      </form>
      <header v-if="historytitle" class="pois_search_history">搜索历史</header>
      <ul class="getpois_ul">
        <li v-for="(item, index) in placelist" @click="nextpage(index, item.geohash)" :key="index">
          <h4 class="pois_name ellipsis">{{ item.name }}</h4>
          <p class="pois_address ellipsis">{{ item.address }}</p>
        </li>
      </ul>
      <div class="search_none_place" v-if="placeNone">很抱歉！无搜索结果</div>
    </div>
</template>

<script>
import headTop from '../../components/header/head';
import { currentcity, searchplace } from '../../service/getData';
import { getStore, setStore } from '../../config/mUtils';

export default {
  data () {
    return {
      inputValue: '', // 搜索地址
      cityid: '', // 当前城市id
      cityname: '', // 当前城市名字
      placelist: [], // 搜索城市列表
      placeHistory: [], // 历史搜索记录
      historytitle: true, // 默认显示搜索历史头部，点击搜索后隐藏
      placeNone: false // 搜索无结果，显示提示信息
    };
  },
  mounted () {
    this.cityid = this.$route.params.cityid;
    // 获取当前城市名字
    currentcity(this.cityid).then(res => {
      this.cityname = res.name;
    });
    // 获取搜索历史记录
    if (getStore('placeHistory')) {
      this.placelist = JSON.parse(getStore('placeHistory'));
    }
  },
  components: {
    headTop
  },
  computed: {

  },
  methods: {
    // 发送搜索信息inputValue
    postpois () {
      // 输入值不为空时才发送信息
      if (this.inputValue) {
        searchplace(this.cityid, this.inputValue).then(res => {
          this.historytitle = false;
          this.placelist = res;
          this.placeNone = !res.length;
        });
      }
    },
    /**
     * 点击搜索结果进入下一页时进行判断是否已经有一样的历史记录
     * 如果没有则新增，如果有则不做重复储存，判断完成后进入下一页
     */
    nextpage (index, geohash) {
      let history = getStore('placeHistory');
      let choosePlace = this.placelist[index];
      if (history) {
        let checkrepeat = false;
        this.placeHistory = JSON.parse(history);
        this.placeHistory.forEach(item => {
          if (item.geohash === geohash) {
            checkrepeat = true;
          }
        });
        if (!checkrepeat) {
          this.placeHistory.push(choosePlace);
        }
      } else {
        this.placeHistory.push(choosePlace);
      }

      setStore('placeHistory', this.placeHistory);
      this.$router.push({ path: '/msite', query: { geohash } });
    }
  }
};
</script>

<style lang="scss" scoped>
@import './../../style/mixin';
.city_container {
  padding-top: 2.35rem;
}
.change_city {
  right: 0.4rem;
  @include sc(0.6rem, #fff);
  @include ct;
}
.city_form {
  background-color: #fff;
  border-top: 1px solid $bc;
  border-bottom: 1px solid $bc;
  padding-top: 0.4rem;
  div{
    width: 90%;
    margin: 0 auto;
    text-align: center;
    .input_style {
      border-radius: 0.1rem;
      margin-bottom: 0.4rem;
      @include wh(100%, 1.4rem);
    }
    .city_input {
      border: 1px solid $bc;
      padding: 0 0.3rem;
      @include sc(0.65rem, #333);
    }
    .city_submit {
      background-color: $blue;
      @include sc(0.65rem, #fff);
    }
  }
}
.pois_search_history {
  border-top: 1px solid $bc;
  border-bottom: 1px solid $bc;
  padding-left: 0.5rem;
  @include font(0.475rem, 0.8rem);
}
.getpois_ul{
  background-color: #fff;
  border-top: 1px solid $bc;
  li {
    margin: 0 auto;
    padding-top: 0.65rem;
    border-bottom: 1px solid $bc;
    .pois_name {
      margin: 0 auto 0.35rem;
      width: 90%;
      @include sc(0.65rem, #333);
    }
    .pois_address {
      width: 90%;
      margin: 0 auto 0.55rem;
      @include sc(0.45rem, #999);
    }
  }
}
.search_none_place {
  margin: 0 auto;
  @include font(0.65rem, 1.75rem);
  color: #333;
  background-color: #fff;
  text-indent: 0.5rem;
}
</style>
